using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Ease.CoreV35;
using Ease.CoreV35.Model;
using Ease.CoreV35.Caching;
using System.Data.Linq.Mapping;


namespace Payroll.BO
{
    #region Leave
    [Serializable]
    public class Leave : BasicBaseObject
    {
        #region Cache Store
        private static Cache _cache = new Cache(typeof(Leave));
        #endregion

        #region Constructor
        public Leave()
        {
            _sCode = "";
            _sDescription = "";
            _remarksNeeded = false;
            _isEarnedLeave = false;
            _status = EnumStatus.Active;
        }
        #endregion

        #region Properties
        #region Code
        private string _sCode;
        public string Code
        {
            get { return _sCode; }
            set { _sCode = value; }
        }
        #endregion
        #region Description
        private string _sDescription;
        public string Description
        {
            get { return _sDescription; }
            set { _sDescription = value; }
        }
        #endregion
        #region RemarksNeeded
        private bool _remarksNeeded;
        public bool RemarksNeeded
        {
            get { return _remarksNeeded; }
            set { _remarksNeeded = value; }
        }
        #endregion
        #region DependsOnHoliday
        private bool _DependsOnHoliday;
        public bool DependsOnHoliday
        {
            get { return _DependsOnHoliday; }
            set { _DependsOnHoliday = value; }
        }
        #endregion
        #region ApplicableFor : ID
        private EnumGender _applicableFor;
        public EnumGender ApplicableFor
        {
            get { return _applicableFor; }
            set { _applicableFor = value; }
        }
        public bool IsGenderMatch(Employee oEmployee)
        {
            if (this.ApplicableFor == oEmployee.Gender ||
                this.ApplicableFor == EnumGender.Other)
                return true;
            else return false;
        }
        #endregion
        #region BalanceCalculationRequired
        private bool _nBalanceCalculation;
        public bool IsBalanceCalculationNeeded
        {
            get { return _nBalanceCalculation; }
            set { _nBalanceCalculation = value; }
        }
        #endregion
        #region IsEarnedLeave
        private bool _isEarnedLeave;
        public bool IsEarnedLeave
        {
            get { return _isEarnedLeave; }
            set { _isEarnedLeave = value; }
        }
        #endregion
        #region AutoLeaveReason
        private bool _nAutoLeaveReason;
        public bool AutoLeaveReason
        {
            get { return _nAutoLeaveReason; }
            set { _nAutoLeaveReason = value; }
        }
        private bool _isHalfLeave=false;
        public bool IsHalfDayLeave
        {
            get { return _isHalfLeave; }
            set { _isHalfLeave = value; }
        }
        private bool _isCompensatoryLeave = false;
        public bool IsCompensatoryLeave
        {
            get { return _isCompensatoryLeave; }
            set { _isCompensatoryLeave = value; }
        }
        #endregion

        #endregion

        public double CalculateTotalDays(DateTime stDate, DateTime endDate, int locationID)
        {
            int nTotalDays = 0;
            int nCount = 0;
            TimeSpan oSpan = endDate.Subtract(stDate);
            nTotalDays = oSpan.Days + 1;
            return (nTotalDays - nCount);
        }

        #region Functions
        public string[] InputValidator()
        {
            string[] sErrorString = new string[2];
            if (this.Code == "")
            {
                sErrorString[0] = "Code can not be empty";
                sErrorString[1] = "Code";
                return sErrorString;
            }
            if (this.Description == "")
            {
                sErrorString[0] = "Description can not be empty";
                sErrorString[1] = "Description";
                return sErrorString;
            }
            if (this.IsCompensatoryLeave && this.IsEarnedLeave )
            {
                sErrorString[0] = "Compensatory Leave and Earned Leave cannot be select together.";
                sErrorString[1] = "Error";
                return sErrorString;
            }
            if (this.ID.IsUnassigned)
            {
                List<Leave> oLeaves = Leave.Get(EnumStatus.Active);
                if (this.IsCompensatoryLeave)
                {
                    Leave oleave = oLeaves.Find(delegate(Leave ol) { return ol.IsCompensatoryLeave == this.IsCompensatoryLeave; });
                    if (oleave != null)
                    {
                        sErrorString[0] = "Compensatory Leave already created.";
                        sErrorString[1] = "Error";
                        return sErrorString;
                    }
                }
                if (this.IsEarnedLeave)
                {
                    Leave oleave = oLeaves.Find(delegate(Leave ol) { return ol.IsEarnedLeave == this.IsEarnedLeave; });
                    if (oleave != null)
                    {
                        sErrorString[0] = "Earned Leave already created.";
                        sErrorString[1] = "Error";
                        return sErrorString;
                    }
                }
            }
            sErrorString = null;
            return sErrorString;
        }

        public Leave Get(ID nLeaveID)
        {
            Leave oLeave = null;
            #region Cache Header
            oLeave = (Leave)_cache["Get", nLeaveID];
            if (oLeave != null)
                return oLeave;
            #endregion
            oLeave = Leave.Service.Get(nLeaveID);
            #region Cache Footer
            _cache.Add(oLeave, "Get", nLeaveID);
            #endregion
            return oLeave;
        }

        public Leave GetIDByName(string sLeave)
        {
            Leave oLeave = null;
            #region Cache Header
            oLeave = (Leave)_cache["Get", sLeave];
            if (oLeave != null)
                return oLeave;
            #endregion
            oLeave = Leave.Service.GetIDByName(sLeave);
            #region Cache Footer
            _cache.Add(oLeave, "Get", sLeave);
            #endregion
            return oLeave;
        }
        public Leave GetIDByCode(string sLeave)
        {
            Leave oLeave = null;
            #region Cache Header
            oLeave = (Leave)_cache["Get", sLeave];
            if (oLeave != null)
                return oLeave;
            #endregion
            oLeave = Leave.Service.GetIDByCode(sLeave);
            #region Cache Footer
            _cache.Add(oLeave, "Get", sLeave);
            #endregion
            return oLeave;
        }

        public ID Save()
        {
            this.SetAuditTrailProperties();
            return Leave.Service.Save(this);
        }

        public void Delete(ID id)
        {
            Leave.Service.Delete(id);
        }
        #endregion

        #region Collection Functions

        public static ObjectsTemplate<Leave> Get(string InParameterID)
        {
            ObjectsTemplate<Leave> Leaves = null;
            Leaves = Leave.Service.Get(InParameterID);
            return Leaves;
        }


        public static ObjectsTemplate<Leave> Get()
        {
            #region Cache Header
            ObjectsTemplate<Leave> Leaves = _cache["Get"] as ObjectsTemplate<Leave>;
            if (Leaves != null)
                return Leaves;
            #endregion
            Leaves = Leave.Service.Get();
            #region Cache Footer
            _cache.Add(Leaves, "Get");
            #endregion
            return Leaves;
        }
        public static ObjectsTemplate<Leave> Get(EnumStatus status)
        {
            #region Cache Header

            ObjectsTemplate<Leave> leaves = _cache["Get", status] as ObjectsTemplate<Leave>;
            if (leaves != null)
                return leaves;

            #endregion

            try
            {
                leaves = Service.Get(status);
            }
            catch (ServiceException e)
            {
                throw new Exception(e.Message, e);
            }

            #region Cache Footer

            _cache.Add(leaves, "Get", status);

            #endregion

            return leaves;
        }

        public static ObjectsTemplate<Leave> GetLeaves()
        {
            #region Cache Header

            ObjectsTemplate<Leave> leaves = _cache["Get"] as ObjectsTemplate<Leave>;
            if (leaves != null)
                return leaves;

            #endregion

            try
            {
                leaves = Service.GetLeaves();
            }
            catch (ServiceException e)
            {
                throw new Exception(e.Message, e);
            }

            #region Cache Footer

            _cache.Add(leaves, "Get");

            #endregion

            return leaves;
        }

        #endregion

        #region Service Factory
        internal static ILeaveService Service
        {
            get { return Services.Factory.CreateService<ILeaveService>(typeof(ILeaveService)); }
        }
        #endregion
    }
    #endregion

    #region ILeave Service
    public interface ILeaveService
    {
        Leave Get(ID id);
        Leave GetIDByName(string sLeave);
        Leave GetIDByCode(string sLeave);
        ObjectsTemplate<Leave> Get();
        ObjectsTemplate<Leave> Get(string InParameterID);
        ObjectsTemplate<Leave> Get(EnumStatus status);
        ID Save(Leave oLeave);
        void Delete(ID id);
        ObjectsTemplate<Leave> GetLeaves();
    }
    #endregion
}